CN221495099U - Angle adjustable clamp - Google Patents

Abstract

The utility model discloses an angle-adjustable clamp, comprising a base, a positioning plate fixedly connected to the top of the base, a fixed plate movably connected to the bottom of the base, an adjustment mechanism arranged at the bottom of the base, and a clamping mechanism arranged inside the fixed plate; the adjustment mechanism comprises a first connecting plate, the first connecting plate fixedly connected to the bottom of the base, a fixed block fixedly connected to the bottom of the base, a rotating rod rotatably connected inside the first connecting plate, a through groove is provided inside the fixed block, and a connecting rod is fixedly connected to the side wall of the rotating rod. The angle-adjustable clamp can make the entire fixed plate relatively stable when adjusting the angle by providing the adjustment mechanism, and can make the angle of the workpiece unnecessary for the worker to manually adjust the angle of the workpiece, thereby improving the efficiency of the CNC machine tool in processing the workpiece, and at the same time improving the safety of the worker when operating the CNC machine tool.

Description

Angle adjustable clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp with adjustable angle.

Background Art

A machine tool refers to a machine for manufacturing machines, also known as a mother machine or machine tool, and is usually referred to as a machine tool. It is generally divided into metal cutting machine tools, forging machine tools, and woodworking machine tools. Among them, the machine tool fixture is a device used to clamp workpieces and guide cutting tools on machine tools. It refers to a fixture specially designed for a certain process of a certain workpiece. It is characterized by compact structure, quick, convenient and labor-saving operation, and can ensure high processing accuracy and production efficiency.

The patent number is CN217832752U, which is a fixture for CNC machine tools. It relates to the field of fixture technology and includes a working shell, a T-shaped threaded rod is passed through and rotatably connected to the right wall of the working shell, a nut is threadedly connected to the middle part of the T-shaped threaded rod, a telescopic rod is fixedly connected to the lower inner wall of the working shell, a workbench is fixedly connected to the top of the telescopic rod, a clamping assembly is arranged at the top of the workbench, and the clamping assembly includes an arc-shaped clamping plate, which is fixedly connected to the top of the workbench; and a spring, which is fixedly connected to the lower inner wall of the arc-shaped clamping plate. The nut is moved to the left by rotating the T-shaped threaded rod, and the workbench is driven to move upward by the work of connecting rods 1 and 2, and the workbench drives the arc-shaped clamping plate to move upward. The parts can be clamped with the T-shaped clamping block, and parts of different sizes can also be clamped, which expands the scope of use of the device and has strong practicality.

The above-mentioned CNC machine tool clamp can clamp parts of different sizes and specifications, expand the use range of the device, and has strong practicality. However, the angles of most existing CNC machine tool clamps cannot be adjusted, resulting in workers having to manually adjust the angle of the workpiece when grinding the outer wall of the workpiece, which makes the clamp inconvenient to use.

Utility Model Content

The purpose of the utility model is to provide an angle-adjustable clamp to solve the problem raised in the above background technology that the angles of most existing CNC machine tool clamps cannot be adjusted, resulting in the need for workers to constantly manually adjust the angle of the workpiece when grinding the outer wall of the workpiece, which makes the clamp inconvenient during use.

To achieve the above object, the utility model provides the following technical solution: an angle-adjustable clamp, comprising a base, a positioning plate fixedly connected to the top of the base, a fixing plate movably connected to the bottom of the base, an adjustment mechanism disposed at the bottom of the base, and a clamping mechanism disposed inside the fixing plate;

The adjusting mechanism comprises a first connecting plate, the first connecting plate is fixedly connected to the bottom end of the base, the bottom end of the base is fixedly connected to a fixing block, the first connecting plate is rotatably connected to a rotating rod inside the first connecting plate, a through groove is opened inside the fixing block, the side wall of the rotating rod is fixedly connected to the connecting rod, the bottom end of the connecting rod is fixedly connected to the connecting block, the fixing plate is fixedly connected to the bottom end of the connecting block, the side wall of the base is fixedly connected to the first side plate, the side wall of the base is fixedly connected to the second side plate, the side wall of the first side plate is fixedly connected to the first micro motor, the output end of the first micro motor is fixedly connected to a worm, the outer wall of the worm is meshed with a worm wheel, and the worm wheel is fixedly connected to the outer wall of the rotating rod. By providing an adjusting mechanism, the fixing plate as a whole can be relatively stable when adjusting the angle, and the angle of the workpiece can be adjusted manually without the need for workers, thereby improving the efficiency of CNC machine tools in processing workpieces and improving the safety of workers when operating CNC machine tools.

Preferably, the top of the fixed plate is fixedly connected to the third side plate, the side wall of the third side plate is fixedly connected to a fixed rod, the other end of the fixed rod is fixedly connected to the side wall of the connecting block, the outer wall of the fixed rod is movably connected to a movable plate, and the top of the movable plate is movably connected to the outer wall of the rotating rod, which can provide certain support for the fixed plate.

Preferably, two groups of the fixing rods are provided, and two groups of the movable plates are provided.

Preferably, the clamping mechanism includes a fixing groove, which is opened inside the fixing plate, and the outer wall of the fixing plate is fixedly connected to a second micro motor, the output end of the second micro motor is fixedly connected to a reverse screw rod, the other end of the reverse screw rod is rotatably connected to the inner wall of the fixing groove, the outer wall of the reverse screw rod is movably connected to a movable block, and the bottom end of the movable block is fixedly connected to a clamping plate. By providing a clamping mechanism, the two sets of clamping plates can be driven to clamp the workpiece on the CNC machine tool without manually rotating the reverse screw rod.

Preferably, the movable blocks are provided in two groups, and the clamping plates are provided in two groups.

Preferably, a wear-resistant pad is glued to the outer wall of the clamping plate, and the wear-resistant pad is made of rubber. The wear-resistant pad is provided on the outer wall of the clamping plate to increase the friction between the clamping plate and the workpiece, thereby improving the stability of the workpiece clamping.

Compared with the prior art, the beneficial effects of the utility model are:

1. By providing an adjustment mechanism, the first micro motor, the worm and the worm gear, the fixing plate as a whole can be relatively stable when adjusting the angle, and the angle of the workpiece can be adjusted manually without the need for workers, thereby improving the efficiency of CNC machine tools in processing workpieces and improving the safety of workers when operating CNC machine tools;

2. By setting up a clamping mechanism and starting the second micro motor, two sets of clamping plates can be driven to clamp the workpiece on the CNC machine tool without manually rotating the reverse screw. The wear-resistant pads provided on the outer wall of the clamping plate can increase the friction between the clamping plate and the workpiece, thereby improving the stability of the workpiece clamping.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram of the three-dimensional structure of the utility model;

FIG3 is a schematic diagram of the three-dimensional structure of the fixed block, the rotating rod, the through slot and the connecting rod of the utility model;

FIG. 4 is a partial schematic diagram of a three-dimensional cross-sectional view of the clamping mechanism of the present invention.

In the figure: 1, base; 2, positioning plate; 3, fixing plate; 411, first connecting plate; 412, fixing block; 413, rotating rod; 414, through slot; 415, connecting rod; 416, connecting block; 417, first side plate; 418, second side plate; 419, first micro motor; 420, worm; 421, worm wheel; 422, third side plate; 423, fixing rod; 424, movable plate; 511, fixing slot; 512, second micro motor; 513, reverse screw; 514, movable block; 515, splint.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1, 2 and 3. The utility model provides a technical solution: an angle-adjustable clamp, comprising a base 1, a positioning plate 2 is fixedly connected to the top of the base 1, a fixing plate 3 is movably connected to the bottom of the base 1, an adjusting mechanism is arranged at the bottom of the base 1, and a clamping mechanism is arranged inside the fixing plate 3;

The adjusting mechanism includes a first connecting plate 411, which is fixedly connected to the bottom end of the base 1, and a fixed block 412 is fixedly connected to the bottom end of the base 1. A rotating rod 413 is rotatably connected inside the first connecting plate 411, and a through groove 414 is provided inside the fixed block 412. A connecting rod 415 is fixedly connected to the side wall of the rotating rod 413, and a connecting block 416 is fixedly connected to the bottom end of the connecting rod 415. The fixing plate 3 is fixedly connected to the bottom end of the connecting block 416. A first side plate 417 is fixedly connected to the side wall of the base 1, and a second side plate 418 is fixedly connected to the side wall of the base 1. A first micro motor 419 is fixedly connected to the side wall of the first side plate 417, and a worm 420 is fixedly connected to the output end of the first micro motor 419. A worm wheel 421 is meshed with an outer wall of the worm 420, and the worm wheel 421 is fixedly connected to the outer wall of the rotating rod 413. The top of the fixing plate 3 is fixedly connected to the bottom end of the connecting block 416. A third side plate 422 is fixedly connected, and a fixing rod 423 is fixedly connected to the side wall of the third side plate 422, and the other end of the fixing rod 423 is fixedly connected to the side wall of the connecting block 416, and a movable plate 424 is movably connected to the outer wall of the fixing rod 423, and the top of the movable plate 424 is movably connected to the outer wall of the rotating rod 413. Two groups of fixing rods 423 are provided, and two groups of movable plates 424 are provided. By providing an adjustment mechanism, through the action of the first micro motor 419, the worm 420 and the worm gear 421, the fixing plate 3 as a whole can be relatively stable when the angle is adjusted, and the angle of the workpiece does not need to be manually adjusted by the worker, which improves the efficiency of the CNC machine tool in processing the workpiece, and at the same time can improve the safety of the workers when operating the CNC machine tool. By providing the movable plate 424, a certain supporting effect can be played on the fixed plate 3.

Please refer to Figures 1, 2 and 4. In order to quickly clamp the workpiece, the clamping mechanism includes a fixed groove 511, which is opened inside the fixed plate 3. The outer wall of the fixed plate 3 is fixedly connected to a second micro motor 512. The output end of the second micro motor 512 is fixedly connected to a reverse screw rod 513. The other end of the reverse screw rod 513 is rotatably connected to the inner wall of the fixed groove 511. The outer wall of the reverse screw rod 513 is movably connected to a movable block 514. The bottom end of the movable block 514 is fixedly connected to the clamping plate 5 15. Two groups of movable blocks 514 are provided, and two groups of clamping plates 515 are provided. Wear-resistant pads are glued to the outer walls of the clamping plates 515. The wear-resistant pads are made of rubber. By providing a clamping mechanism and starting the second micro motor 512, the two groups of clamping plates 515 can be driven to clamp the workpiece on the CNC machine tool without manually rotating the reverse screw rod 513. The wear-resistant pads are provided on the outer walls of the clamping plates 515 to increase the friction between the clamping plates 515 and the workpiece, thereby improving the stability of the workpiece clamping.

Working principle: First, a worker starts the first micro motor 419, so that the first micro motor 419 drives the worm 420 to rotate, and the worm 420 and the worm wheel 421 are meshed with each other, so that the worm 420 drives the worm wheel 421 to rotate, so that the worm wheel 421 drives the rotating rod 413 to rotate on the outer wall of the first connecting plate 411, and the rotating rod 413 drives the connecting rod 415 to move inside the through groove 414, so that the connecting rod 415 drives the connecting block 416 and the fixed plate 3 to rotate, thereby adjusting the angle of the fixed plate 3, and the fixed plate 3 rotates, driving the third side plate 422 and the fixed rod 423 to move synchronously, so that the movable plate 424 rotates, and then plays a certain supporting role on the fixed plate 3. Under the action of the first micro motor 419, the worm 420 and the worm wheel 421, the fixed plate 3 as a whole can be relatively stable when the angle is adjusted;

The worker starts the second micro motor 512 to make the reverse screw 513 rotate inside the fixed groove 511, so that the two groups of movable blocks 514 move on the outer wall of the reverse screw 513, and then drive the two groups of clamping plates 515 to move until the two groups of clamping plates 515 are attached to the outer wall of the workpiece, thereby clamping the workpiece. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An angularly adjustable clamp comprising a base (1), characterized in that: the device is characterized in that the top end of the base (1) is fixedly connected with a positioning plate (2), the bottom end of the base (1) is movably connected with a fixing plate (3), the bottom end of the base (1) is provided with an adjusting mechanism, and a clamping mechanism is arranged inside the fixing plate (3);

adjustment mechanism includes first connecting plate (411), first connecting plate (411) fixedly connected with is in base (1) bottom, base (1) bottom fixedly connected with fixed block (412), inside rotation of first connecting plate (411) is connected with bull stick (413), logical groove (414) have been seted up to fixed block (412) inside, bull stick (413) lateral wall fixedly connected with connecting rod (415), connecting rod (415) bottom fixedly connected with connecting block (416), fixed plate (3) fixedly connected with is in connecting block (416) bottom, base (1) lateral wall fixedly connected with first curb plate (417), base (1) lateral wall fixedly connected with second curb plate (418), first curb plate (417) lateral wall fixedly connected with first micro motor (419), first micro motor (419) output fixedly connected with worm (420), worm wheel (420) outer wall engagement has worm (421), worm wheel (421) fixedly connected with is in bull stick (413) outer wall.

2. An angularly adjustable clamp according to claim 1, characterized in that: the fixed plate (3) top fixedly connected with third curb plate (422), third curb plate (422) lateral wall fixedly connected with dead lever (423), dead lever (423) other end fixed connection is in connecting block (416) lateral wall, dead lever (423) outer wall swing joint has fly leaf (424), fly leaf (424) top swing joint is at bull stick (413) outer wall.

3. An angularly adjustable clamp according to claim 2, characterized in that: the fixed rods (423) are provided with two groups, and the movable plates (424) are provided with two groups.

4. An angularly adjustable clamp according to claim 1, characterized in that: the clamping mechanism comprises a fixing groove (511), the fixing groove (511) is formed in the fixing plate (3), a second micro motor (512) is fixedly connected to the outer wall of the fixing plate (3), a reverse screw rod (513) is fixedly connected to the output end of the second micro motor (512), the other end of the reverse screw rod (513) is rotatably connected to the inner wall of the fixing groove (511), a movable block (514) is movably connected to the outer wall of the reverse screw rod (513), and a clamping plate (515) is fixedly connected to the bottom end of the movable block (514).

5. An angularly adjustable clamp according to claim 4 and wherein: the movable blocks (514) are provided with two groups, and the clamping plates (515) are provided with two groups.

6. An angularly adjustable clamp according to claim 4 and wherein: the outer wall of the clamping plate (515) is glued with a wear-resistant pad, and the wear-resistant pad is made of rubber.